Cook is known for getting up and sending out company emails at 4:30 in the morning, according to Gawker’s Ryan Tate. By 5 AM he can be found in the gym. And he works late too, priding himself on being the first in the office and the last out.

2.Hain Celestial Group CEO Irwin Simon

Simon accomplishes more before 9 a.m. than most people do all day. He wakes up 5 a.m., going through emails and calling operations in Europe and Asia. He also prays, walks the dog and exercises before his kids wake up. He arrives at his office in Long Island usually after squeezing in a breakfast meeting in Manhattan as well.

3. New Jersey Nets CEO Brett Yormark

The youngest CEO in the NBA told SellingPower that he gets up at 3:30 in the morning in order to get to the office by 4:30. From there, he works out and sends motivational emails to his team.
He takes it easy on the weekends, arriving at the office by 7 a.m. instead.

4. Brooklyn Industries CEO Lexy Funk

The artistic co-founder of the Brooklyn-based clothing and bag shop told the Huffington Post that her routine starts early: “I usually wake up around 4 a.m.” From there, the dilemma of whether to read and bore herself back to sleep or get on her BlackBerry begins. Once online, she’s answering emails and talking to people from Brooklyn Industries.

5. Avon Products CEO Andrea Jung

Jung wakes up at 5 AM in the morning and goes to the gym before getting to her desk at 8, says Forbes.

The mompreneur, actress, producer, event planner and PR consultant told Prominence Magazine that her million tasks and workaholic habits, gets her out of bed between 4:00AM and 4:15 AM in the morning. She starts her day by making her to do list and daily schedule, checks and replies to emails, then reads for 30 minutes. By 7:30 am, Amore is ready to work on her scheduled projects. FYI…Amore reads Green Eggs and Ham by DR. Seuss in the morning; it helps with voice and diction.

So what time will you rise and shine in the AM now that you know it makes all the difference.